(19)
(11) EP 2 326 893 A2

(12)

(88) Date of publication A3:
15.04.2010

(43) Date of publication:
01.06.2011 Bulletin 2011/22

(21) Application number: 09791513.6

(22) Date of filing: 14.08.2009
(51) International Patent Classification (IPC): 
F25B 49/00(2006.01)
(86) International application number:
PCT/US2009/053805
(87) International publication number:
WO 2010/019836 (18.02.2010 Gazette 2010/07)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 14.08.2008 US 88819 P
13.08.2009 US 540576

(71) Applicant: Raytheon Company
Waltham, MA 02451-1449 (US)

(72) Inventors:
  • OGDEN, Robert, R.
    McKinney TX 75070 (US)
  • BARTON, Paul, H.
    Grand Prairie TX 75054 (US)
  • HEER, Bernard, D.
    McKinney TX 75069 (US)
  • ROSS, Bradley, A.
    Los Olivos CA 93441 (US)
  • KIRKCONNELL, Carl, S.
    Huntington Beach CA 92648 (US)
  • BESHEARS, Raymond, R.
    Van Alstyne TX 75494 (US)

(74) Representative: Lawrence, John et al
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)

   


(54) MONITORING THE HEALTH OF A CRYOCOOLER